18355295

素因数分解:

$5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1321}}^1$

素因数の和:1730

約数の個数: 16

約数和(自身を含む): 25255488

約数和(自身を除く): 6900193

約数列:

[1, 5, 7, 35, 397, 1321, 1985, 2779, 6605, 9247, 13895, 46235, 524437, 2622185, 3671059, 18355295]

約数ペア:

[(1, 18355295), (5, 3671059), (7, 2622185), (35, 524437), (397, 46235), (1321, 13895), (1985, 9247), (2779, 6605)]